Since its foundation, the German Botanical Society appoints up to 25 honorary members. Until 1961 mainly deserving people from foreign countries and non-botanists or scientists from other disciplines were elected who deserved merits for their contributions to botany. Since that, mainly botanists or persons who demonstrated approved scientific merits in plant sciences were appointed.
In the years 2007 and 2013 three scientists, respectively, were newly appointed. Honorary members of the Society are (in alphabetical order):